Knife block



FIG. 1 is a top, front and left side perspective view of a knife blockshowing my new design;

FIG. 2 is a bottom, rear and left side perspective view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a front view thereof;

FIG. 6 is a rear view thereof; and,

FIG. 7 is a left side elevation view, the right side being a mirrorimage thereof.

The broken line portions of FIGS. 1-3 and 5-7 are included to showunclaimed subject matter only and form no part of the claimed design.

CLAIM The ornamental design for a knife block, as shown and described.